Mercurial > vim
changeset 27922:b4ef8f851be4 v8.2.4486
patch 8.2.4486: MS-Windows GUI: slow scrolling with maximized window
Commit: https://github.com/vim/vim/commit/f01af9c4e6f1438cd1112cfff42f3837028c7846
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Mar 1 16:02:26 2022 +0000
patch 8.2.4486: MS-Windows GUI: slow scrolling with maximized window
Problem: MS-Windows GUI: slow scrolling with maximized window.
Solution: Use a better way to check the window is on screen. (Ken Takata,
closes #9865)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Tue, 01 Mar 2022 17:15:03 +0100 |
| parents | 8922ad5cb2d8 |
| children | 442d920bdf6f |
| files | src/gui_w32.c src/version.c |
| diffstat | 2 files changed, 17 insertions(+), 8 deletions(-) [+] |
line wrap: on
line diff
--- a/src/gui_w32.c +++ b/src/gui_w32.c @@ -3016,7 +3016,7 @@ is_point_onscreen(int x, int y) } /* - * Check if the whole area of the specified window is on-screen. + * Check if the whole client area of the specified window is on-screen. * * Note about DirectX: Windows 10 1809 or above no longer maintains image of * the window portion that is off-screen. Scrolling by DWriteContext_Scroll() @@ -3026,16 +3026,23 @@ is_point_onscreen(int x, int y) is_window_onscreen(HWND hwnd) { RECT rc; - - GetWindowRect(hwnd, &rc); - - if (!is_point_onscreen(rc.left, rc.top)) + POINT p1, p2; + + GetClientRect(hwnd, &rc); + p1.x = rc.left; + p1.y = rc.top; + p2.x = rc.right - 1; + p2.y = rc.bottom - 1; + ClientToScreen(hwnd, &p1); + ClientToScreen(hwnd, &p2); + + if (!is_point_onscreen(p1.x, p1.y)) return FALSE; - if (!is_point_onscreen(rc.left, rc.bottom)) + if (!is_point_onscreen(p1.x, p2.y)) return FALSE; - if (!is_point_onscreen(rc.right, rc.top)) + if (!is_point_onscreen(p2.x, p1.y)) return FALSE; - if (!is_point_onscreen(rc.right, rc.bottom)) + if (!is_point_onscreen(p2.x, p2.y)) return FALSE; return TRUE; }